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Finding the Fourth Proportional to 162,732.97, 244,138.42 and 67,910.40

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Solution

The fourth proportional to 162,732.97, 244,138.42 and 67,910.40 is: 101,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,732.97 : 244,138.42 = 67,910.40 : x
  2. Step 2: Convert to fraction form
    162,732.97/244,138.42 = 67,910.40/x
  3. Step 3: Cross multiply
    162,732.97x = 244,138.42 × 67,910.40
  4. Step 4: Simplify right side
    162,732.97x = 16,579,537,757.57
  5. Step 5: Solve for x
    x = 16,579,537,757.57/162,732.97
  6. Step 6: Final answer
    x = 101,881.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.